| 1. Round | 24/07/1998 | GKS Bełchatów | - | Polonia Warszawa | 0:1 |  |
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| 15. Round | 13/11/1998 | Odra Wodzisław | - | GKS Bełchatów | 0:0 | ||||
| 3. Round | 17/11/1998 | GKS Bełchatów | - | Stomil Olsztyn | 1:0 | ||||
| 20. Round | 02/04/1999 | Ruch Radzionków | - | GKS Bełchatów | 1:1 | ||||
| 21. Round | 09/04/1999 | GKS Bełchatów | - | Amica Wronki | 1:1 | ||||
| 22. Round | 16/04/1999 | GKS Katowice | - | GKS Bełchatów | 1:1 | ||||
| 23. Round | 23/04/1999 | GKS Bełchatów | - | Legia Warszawa | 1:2 | ||||
| 24. Round | 30/04/1999 | Widzew Łódź | - | GKS Bełchatów | 1:0 | ||||
| 25. Round | 07/05/1999 | Wisła Kraków | - | GKS Bełchatów | 4:0 | ||||
| 26. Round | 11/05/1999 | GKS Bełchatów | - | Ruch Chorzów | 0:2 | |
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| 30. Round | 28/05/1999 | GKS Bełchatów | - | Odra Wodzisław | 1:1 |
Poland